自定义alert弹框

 /**************** UIAlertControllerStyleAlert *************************/
 /*创建一个 可以自定义文字颜色和字体大小的IAlertView*/
 NSString *message = @"开通失败,请再次开通或者联系客服";
 NSString *title = @"400-8591-200";
 NSString *leftActionStr = @"呼叫";
 NSString *rightActionStr = @"继续开通";
 UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
 //改变title的大小和颜色
 NSMutableAttributedString *titleAtt = [[NSMutableAttributedString alloc] initWithString:title];
 [titleAtt addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:(/)*KWidth_Scale] range:NSMakeRange(, title.length)];
 [titleAtt addAttribute:NSForegroundColorAttributeName value:UIColorFromRGB(0x00abea) range:NSMakeRange(, title.length)];
 [alertController setValue:titleAtt forKey:@"attributedTitle"];
 //改变message的大小和颜色
 NSMutableAttributedString *messageAtt = [[NSMutableAttributedString alloc] initWithString:message];
 [messageAtt addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:(/)*KWidth_Scale] range:NSMakeRange(, message.length)];
 [messageAtt addAttribute:NSForegroundColorAttributeName value:UIColorFromRGB(0x666666) range:NSMakeRange(, message.length)];
 [alertController setValue:messageAtt forKey:@"attributedMessage"];

 UIAlertAction *alertActionCall = [UIAlertAction actionWithTitle:leftActionStr style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
     [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://400-8591-200"]];
 }];
 [alertController addAction:alertActionCall];
 [alertActionCall setValue:UIColorFromRGB(0x00abea) forKey:@"titleTextColor"];
 kWeakSelf(weakSelf);
 UIAlertAction *alertActionContinue = [UIAlertAction actionWithTitle:rightActionStr style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
     [weakSelf oprDrugStoreStatu:@""];
 }];
 [alertController addAction:alertActionContinue];
 [alertActionContinue setValue:[UIColor blackColor] forKey:@"titleTextColor"];
 [self presentViewController:alertController animated:YES completion:nil];

 /**************** UIAlertControllerStyleActionSheet *************************/
 NSString *title = [NSString stringWithFormat:@"将患者\"%@\"删除,同时删除与该联系人的聊天记录", self.user.patientName];
 UIAlertController *alertSheet = [UIAlertController alertControllerWithTitle:title message:nil preferredStyle:UIAlertControllerStyleActionSheet];

 UIAlertAction *cancel = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
 [cancel setValue:UIColorFromRGB(0x666666) forKey:@"titleTextColor"];
 [alertSheet addAction:cancel];

 UIAlertAction *certain = [UIAlertAction actionWithTitle:@"删除联系人" style:UIAlertActionStyleDestructive handler:
                           ^(UIAlertAction * _Nonnull action) {
                               NSLog(@"执行删除操作,这里应该接着请求删除接口......");
                           }];
 [alertSheet addAction:certain];
 [self presentViewController:alertSheet animated:YES completion:nil];